Folding stepladder

Details Folding stepladder Folding stepladder

1983-07-20

1984-11-20

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Convertible

Ladder

182156, 182168, 182129, E06C 120, E06C 1383

Patent

active

044834152

ABSTRACT:
A ladder including a lower step section and a strut pivotally connected at their upper ends for swinging movement between a collapsed position one within the other and a downwardly divergent erected position, and an upper section pivoted to the upper end of the lower step section for swinging movement between a folded position closely overlying the lower step section and an erected position inclining as an extension of the lower step section.

REFERENCES:
patent: 229552 (1880-07-01), Phelps
patent: 353868 (1886-12-01), Koerner
patent: 572201 (1896-12-01), Hausmann
patent: 2997127 (1961-08-01), Wojtowicz
patent: 3311190 (1967-03-01), Naumann
patent: 3768592 (1973-10-01), Higgins
patent: 3912043 (1975-10-01), Brannan

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